Import sources from NetBSD, tweaked for building in FreeBSD.

15 files changed, 579 insertions, 0 deletions

diff --git a/lib/libc/alpha/sys/Makefile.inc b/lib/libc/alpha/sys/Makefile.inc
new file mode 100644
index 0000000..6b4926a
--- /dev/null
+++ b/lib/libc/alpha/sys/Makefile.inc
@@ -0,0 +1,13 @@
+# $Id$
+
+MDASM+=	Ovfork.S brk.S cerror.S exect.S fork.S pipe.S ptrace.S \
+	sbrk.S setlogin.S sigpending.S sigprocmask.S sigreturn.S \
+	sigsuspend.S syscall.S
+
+# Don't generate default code for these syscalls:
+NOASM=	break.o exit.o ftruncate.o lseek.o mmap.o posix_rename.o sstk.o \
+	truncate.o vfork.o vtrace.o
+
+# Pseudo syscalls that are renamed as _thread_sys_{pseudo} when
+# building libc_r.
+PSEUDOR= _exit.o
diff --git a/lib/libc/alpha/sys/Ovfork.S b/lib/libc/alpha/sys/Ovfork.S
new file mode 100644
index 0000000..aaec3bf
--- /dev/null
+++ b/lib/libc/alpha/sys/Ovfork.S
@@ -0,0 +1,35 @@
+/*	$NetBSD: Ovfork.S,v 1.1 1995/02/10 17:50:29 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+SYSCALL(vfork)
+	cmovne	a4, zero, v0		/* a4 (rv[1]) != 0, child */
+	RET
+END(vfork)
diff --git a/lib/libc/alpha/sys/brk.S b/lib/libc/alpha/sys/brk.S
new file mode 100644
index 0000000..7dc3a40
--- /dev/null
+++ b/lib/libc/alpha/sys/brk.S
@@ -0,0 +1,50 @@
+/*	$NetBSD: brk.S,v 1.4 1996/10/17 03:08:15 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+	.globl	_end
+IMPORT(curbrk, 8)
+
+	.data
+EXPORT(minbrk)
+	.quad	_end
+
+	.text
+LEAF(brk, 1)
+	br	pv, L1				/* XXX profiling */
+L1:	LDGP(pv)
+	ldq	v0, minbrk
+	cmpult  a0, v0, t0
+	cmovne  t0, v0, a0
+	CALLSYS_ERROR(break)
+	stq	a0, curbrk
+	mov	zero, v0
+	RET
+END(brk)
diff --git a/lib/libc/alpha/sys/cerror.S b/lib/libc/alpha/sys/cerror.S
new file mode 100644
index 0000000..c277587
--- /dev/null
+++ b/lib/libc/alpha/sys/cerror.S
@@ -0,0 +1,65 @@
+/*	$NetBSD: cerror.S,v 1.4 1996/11/08 00:52:46 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+#ifdef _REENTRANT
+#define	FRAME_SIZE		16
+#define	FRAME_RA_OFFSET		0
+#define	FRAME_V0_OFFSET		8
+#endif
+
+#ifdef _REENTRANT
+NESTED(cerror, 0, FRAME_SIZE, ra, IM_RA|IM_V0, 0)
+#else
+LEAF(cerror, 0)
+#endif
+	br	t0, L1
+L1:	LDGP(t0)
+
+#ifdef _REENTRANT
+	lda	sp, -FRAME_SIZE(sp)
+	stq	ra, FRAME_RA_OFFSET(sp)
+	stq	v0, FRAME_V0_OFFSET(sp)
+
+	CALL(__error)
+
+	ldq	t0, FRAME_V0_OFFSET(sp)
+	stl	t0, 0(v0)
+#else
+	stl	v0, errno
+#endif
+
+	ldiq	v0, -1
+#ifdef _REENTRANT
+	ldq	ra, FRAME_RA_OFFSET(sp)
+	lda	sp, FRAME_SIZE(sp)
+#endif
+	RET
+END(cerror)
diff --git a/lib/libc/alpha/sys/exect.S b/lib/libc/alpha/sys/exect.S
new file mode 100644
index 0000000..345efb2
--- /dev/null
+++ b/lib/libc/alpha/sys/exect.S
@@ -0,0 +1,35 @@
+/*	$NetBSD: exect.S,v 1.2 1996/10/17 03:08:18 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+LEAF(exect, 3)
+	CALLSYS_ERROR(execve)
+	RET
+END(exect)
diff --git a/lib/libc/alpha/sys/fork.S b/lib/libc/alpha/sys/fork.S
new file mode 100644
index 0000000..17ef463
--- /dev/null
+++ b/lib/libc/alpha/sys/fork.S
@@ -0,0 +1,35 @@
+/*	$NetBSD: fork.S,v 1.1 1995/02/10 17:50:34 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+SYSCALL(fork)
+	cmovne	a4, zero, v0		/* a4 (rv[1]) != 0, child */
+	RET
+END(fork)
diff --git a/lib/libc/alpha/sys/pipe.S b/lib/libc/alpha/sys/pipe.S
new file mode 100644
index 0000000..973529c
--- /dev/null
+++ b/lib/libc/alpha/sys/pipe.S
@@ -0,0 +1,37 @@
+/*	$NetBSD: pipe.S,v 1.1 1995/02/10 17:50:35 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+SYSCALL(pipe)
+	stl	v0, 0(a0)
+	stl	a4, 4(a0)
+	mov	zero, v0
+	RET
+END(pipe)
diff --git a/lib/libc/alpha/sys/ptrace.S b/lib/libc/alpha/sys/ptrace.S
new file mode 100644
index 0000000..931b43f
--- /dev/null
+++ b/lib/libc/alpha/sys/ptrace.S
@@ -0,0 +1,37 @@
+/*	$NetBSD: ptrace.S,v 1.4 1996/11/08 00:51:24 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+LEAF(ptrace, 4)
+	LDGP(pv)
+	stl	zero, errno
+	CALLSYS_ERROR(ptrace)
+	RET
+END(ptrace)
diff --git a/lib/libc/alpha/sys/sbrk.S b/lib/libc/alpha/sys/sbrk.S
new file mode 100644
index 0000000..3ecdd68
--- /dev/null
+++ b/lib/libc/alpha/sys/sbrk.S
@@ -0,0 +1,48 @@
+/*	$NetBSD: sbrk.S,v 1.4 1996/10/17 03:08:20 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+	.globl	_end
+
+	.data
+EXPORT(curbrk)
+	.quad	_end
+
+	.text
+LEAF(sbrk, 1)
+	br	pv, L1				/* XXX profiling */
+L1:	LDGP(pv)
+	ldq	a1, curbrk
+	addq	a0, a1, a0
+	CALLSYS_ERROR(break)
+	stq	a0, curbrk
+	mov	a1, v0
+	RET
+END(sbrk)
diff --git a/lib/libc/alpha/sys/setlogin.S b/lib/libc/alpha/sys/setlogin.S
new file mode 100644
index 0000000..9657cb1
--- /dev/null
+++ b/lib/libc/alpha/sys/setlogin.S
@@ -0,0 +1,37 @@
+/*	$NetBSD: setlogin.S,v 1.1 1995/02/10 17:50:39 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+IMPORT(_logname_valid, 4)			/* in getlogin() */
+
+SYSCALL(setlogin)
+	stl	zero, _logname_valid		/* clear it */
+	RET
+END(setlogin)
diff --git a/lib/libc/alpha/sys/sigpending.S b/lib/libc/alpha/sys/sigpending.S
new file mode 100644
index 0000000..72b727a
--- /dev/null
+++ b/lib/libc/alpha/sys/sigpending.S
@@ -0,0 +1,36 @@
+/*	$NetBSD: sigpending.S,v 1.1 1995/02/10 17:50:40 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+SYSCALL(sigpending)
+	stl	v0, 0(a0)
+	mov	zero, v0
+	RET
+END(sigpending)
diff --git a/lib/libc/alpha/sys/sigprocmask.S b/lib/libc/alpha/sys/sigprocmask.S
new file mode 100644
index 0000000..0371e63
--- /dev/null
+++ b/lib/libc/alpha/sys/sigprocmask.S
@@ -0,0 +1,44 @@
+/*	$NetBSD: sigprocmask.S,v 1.2 1996/10/17 03:08:21 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+LEAF(sigprocmask, 3)
+	mov	a2, a5			/* safe */
+	cmoveq	a1, 1, a0		/* if set == NULL, how = SIG_BLOCK */
+	beq	a1, Ldoit		/* and set = 0, and do it. */
+	ldl	a1, 0(a1)		/* load the set from *set */
+Ldoit:	CALLSYS_ERROR(sigprocmask)
+	beq	a5, Lret		/* if they don't want old mask, done */	
+	stl	v0, 0(a5)		/* otherwise, give it to them. */
+Lret:	mov	zero, v0
+	RET
+
+	END(sigprocmask)
+
diff --git a/lib/libc/alpha/sys/sigreturn.S b/lib/libc/alpha/sys/sigreturn.S
new file mode 100644
index 0000000..c22abc2
--- /dev/null
+++ b/lib/libc/alpha/sys/sigreturn.S
@@ -0,0 +1,38 @@
+/*	$NetBSD: sigreturn.S,v 1.1 1995/02/10 17:50:42 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+/*
+ * We must preserve the state of the registers as the user has set them up.
+ * However, that doesn't involve any special work on the Alpha.
+ * (XXX PROFILING)
+ */
+
+RSYSCALL(sigreturn)
diff --git a/lib/libc/alpha/sys/sigsuspend.S b/lib/libc/alpha/sys/sigsuspend.S
new file mode 100644
index 0000000..d722672
--- /dev/null
+++ b/lib/libc/alpha/sys/sigsuspend.S
@@ -0,0 +1,37 @@
+/*	$NetBSD: sigsuspend.S,v 1.2 1996/10/17 03:08:22 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+LEAF(sigsuspend, 1)
+	ldl	a0, 0(a0)		/* pass *mask instead of mask */
+	CALLSYS_ERROR(sigsuspend)
+	mov	zero, v0		/* shouldn't need; just in case... */
+	RET
+END(sigsuspend)
diff --git a/lib/libc/alpha/sys/syscall.S b/lib/libc/alpha/sys/syscall.S
new file mode 100644
index 0000000..2ccf4d3
--- /dev/null
+++ b/lib/libc/alpha/sys/syscall.S
@@ -0,0 +1,32 @@
+/*	$NetBSD: syscall.S,v 1.1 1995/02/10 17:50:44 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include "SYS.h"
+
+RSYSCALL(syscall)